WO2008015547A1 - Container for a cigarette group forming conveyor - Google Patents

Container for a cigarette group forming conveyor Download PDF

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Publication number
WO2008015547A1
WO2008015547A1 PCT/IB2007/002212 IB2007002212W WO2008015547A1 WO 2008015547 A1 WO2008015547 A1 WO 2008015547A1 IB 2007002212 W IB2007002212 W IB 2007002212W WO 2008015547 A1 WO2008015547 A1 WO 2008015547A1
Authority
WO
WIPO (PCT)
Prior art keywords
container
group forming
belt
bottom member
forming conveyor
Prior art date
Application number
PCT/IB2007/002212
Other languages
French (fr)
Inventor
Mario Spatafora
Original Assignee
G.D Societa' Per Azioni
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by G.D Societa' Per Azioni filed Critical G.D Societa' Per Azioni
Publication of WO2008015547A1 publication Critical patent/WO2008015547A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B19/00—Packaging rod-shaped or tubular articles susceptible to damage by abrasion or pressure, e.g. cigarettes, cigars, macaroni, spaghetti, drinking straws or welding electrodes
    • B65B19/02—Packaging cigarettes
    • B65B19/04—Arranging, feeding, or orientating the cigarettes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B19/00—Packaging rod-shaped or tubular articles susceptible to damage by abrasion or pressure, e.g. cigarettes, cigars, macaroni, spaghetti, drinking straws or welding electrodes
    • B65B19/02—Packaging cigarettes
    • B65B19/04—Arranging, feeding, or orientating the cigarettes
    • B65B19/10—Arranging cigarettes in layers each comprising a predetermined number
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
    • B65G17/30—Details; Auxiliary devices
    • B65G17/32—Individual load-carriers
    • B65G17/36—Individual load-carriers having concave surfaces, e.g. buckets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
    • B65G17/30—Details; Auxiliary devices
    • B65G17/38—Chains or like traction elements; Connections between traction elements and load-carriers
    • B65G17/42—Attaching load carriers to traction elements
    • B65G17/44—Attaching load carriers to traction elements by means excluding relative movements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
    • B65G2201/02—Articles
    • B65G2201/0226—Cigarettes

Definitions

  • the present invention relates to a container for a cigarette group forming conveyor.
  • a cigarette packing machine comprises a cigarette group forming conveyor, which feeds a number of containers in steps along a path extending past a number of outlets of a hopper.
  • a reciprocating pusher expels at least one layer of cigarettes from each outlet of the hopper, and feeds the layer of cigarettes axialIy into a stationary container in front of the outlet. This operation may be repeated during successive stops of the group forming conveyor, until a complete group of cigarettes defining the content of a packet of cigarettes is formed inside each container.
  • the complete groups of cigarettes are expelled successively from the group forming conveyor containers and fed axially to a packing unit.
  • the group forming conveyor normally comprises a flexible endless toothed belt looped about two toothed pulleys; and the containers are equally spaced along and fixed removably to the flexible belt. More specifically, each container has two screws, which project from the bottom of the container, are inserted through respective holes formed through the flexible belt, and are tightened to the belt by respective nuts.
  • Some cigarette packing machines produce small lots of different brands of packets of cigarettes, and so call for frequent (at times, even daily) brand changes to convert the machine from one brand to another.
  • Brand changes on cigarette packing machines normally involve changes in the arrangement and/or size of the groups of cigarettes, and so call for changing the group forming conveyor containers .
  • this is a painstaking, time-consuming job which, to change each container (possibly as many as over 40 on a group forming conveyor) calls for removing and replacing at least two nuts in concealed, poorly accessible locations
  • a container for a cigarette group forming conveyor as claimed in the accompanying Claims.
  • Figure 1 shows a schematic side view of a portion of a cigarette group forming conveyor fitted with a number of containers in accordance with the present invention
  • Figure 2 shows a section, with parts removed for clarity, along line H-Il of the Figure 1 group forming conveyor;
  • Figure 3 shows a view in perspective of a container of the Figure 1 group forming conveyor
  • Figure 4 shows an underside view of a bottom member of the Figure 4 container
  • Figure 5 shows an underside view of a group forming pocket of the Figure 4 container.
  • Number 1 in Figure 1 indicates as a whole a cigarette group forming conveyor, which feeds a number of containers 2 in steps along a path extending past a number of outlets of a hopper (not shown) .
  • a reciprocating pusher (not shown) expels at least one layer of cigarettes from each outlet of the hopper, and feeds the layer of cigarettes axially into a stationary container 2 in front of the outlet. This operation may be repeated during successive stops of group forming conveyor 1, until a complete group of cigarettes defining the content of a packet of cigarettes is formed inside each container 2.
  • a transfer station downstream from the hopper, the complete groups of cigarettes are expelled successively from containers 2 of group forming conveyor 1 and fed axially to a packing unit (not shown) .
  • Group forming conveyor 1 normally comprises a flexible endless toothed belt 3 looped about two toothed pulleys 4 (only one shown in Figure 1) rotating about respective axes of rotation 5 perpendicular to the Figure 1 plane; one pulley 4 is normally powered, and the other pulley 4 idle; and containers 2 are equally spaced along and fixed removably to flexible belt 3. More specifically, containers 2 are spaced apart by a distance equal to the step travelled by group forming conveyor 1.
  • Each container 2 comprises a bottom member 6 positioned contacting belt 3 of group forming conveyor 1; and a fastening system 7 for fixing bottom member 6 integrally to belt 3 of group forming conveyor 1.
  • fastening system 7 comprises two screws 8 (only one shown in Figure 1) , which project from the bottom of bottom member 6, are inserted through respective holes 9 formed through belt 3 of group forming conveyor 1, and are tightened to belt 3 of group forming conveyor 1 by respective nuts 10.
  • a plate 11 is interposed between nuts 10 and belt 3 of group forming conveyor 1, and is shaped to fit between two successive teeth 12 of belt 3 (the cross section of plate 11 matches the contour of the gap between two successive teeth 12), or to fit on top of a tooth 12 of belt 3 (the cross section of plate 11 is shaped to mate with the outer contour of tooth 12) .
  • Fastening containers 2 as described above calls for forming on pulleys 4 a number of grooves or cavities 13 spaced apart by a distance equal to the distance between respective plates 11 of each two successive containers 2, i.e. to the step of group forming conveyor 1.
  • Each container 2 also comprises a group forming pocket 14 for housing a group of cigarettes, and which is separate from and independent of bottom member 6, and is connectable to bottom member 6 by means of a fast- release coupling system 15.
  • each coupling system 15 comprises at least one guide rail 16 integral with bottom member 6; and a slide 17 integral with group forming pocket 14 and cooperating with guide rail 16 to slide group forming pocket 14 with respect to bottom member 6 and parallel to axes of rotation 5.
  • one guide rail 16 is provided; and guide rail 16 and slide 17 are dove-tailed to only allow group forming pocket 14 to slide parallel to axes of rotation 5 with respect to bottom member 6.
  • Each coupling system 15 also comprises a fast- release lock member 18 for locking slide 17 in a given position along guide rail 16.
  • lock member 18 is joint-operated, and comprises two seats 19 formed in group forming pocket 14, on opposite sides of guide rail 16; and an elastic member 20, which is carried by bottom member 6, fits inside seats 19, and is deformable elastically for extraction from seats 19.
  • elastic member 20 may be carried by group forming pocket 14, and seats 19 may be formed in bottom member 6; and a different number of seats 19 and/or of elastic members 20 may be provided.
  • Elastic member 20 is preferably a metal leaf spring fixed centrally to bottom member 6 by a screw 21 and extending crosswise to guide rail 16.
  • Container 2 as described has numerous advantages, by being cheap, fast, and easy to produce, while at the same time enabling fast change of group forming pocket 14 to switch from one brand to another. Tests, in fact, show a brand change time-saving of over 90% to change all the group forming pockets 14 of a cigarette group forming conveyor 1 of a cigarette packing machine.
  • fastening system 7 of bottom members 6 is identical to the one currently used on existing containers, which means container 2 described may easily be substituted for an existing container.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wrapping Of Specific Fragile Articles (AREA)
  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)

Abstract

A container (2) for a cigarette group forming conveyor (1); the container (2) having : a bottom member (6) positioned contacting a belt (3) of the group forming conveyor (1); a fastening system (7) for fixing the bottom member (6) integrally to the belt (3) of the group forming conveyor (1); and a group forming pocket (14) for housing a group of cigarettes, and which is separate from and independent of the bottom member (6), and is connectable to the bottom member (6) by means of a fast-release coupling system (15).

Description

CONTAINER FOR A CIGARETTE GROUP FORMING CONVEYOR
TECHNICAL FIELD The present invention relates to a container for a cigarette group forming conveyor. BACKGROUND ART
A cigarette packing machine comprises a cigarette group forming conveyor, which feeds a number of containers in steps along a path extending past a number of outlets of a hopper. During the stops of the group forming conveyor, a reciprocating pusher expels at least one layer of cigarettes from each outlet of the hopper, and feeds the layer of cigarettes axialIy into a stationary container in front of the outlet. This operation may be repeated during successive stops of the group forming conveyor, until a complete group of cigarettes defining the content of a packet of cigarettes is formed inside each container. At a transfer station downstream from the hopper, the complete groups of cigarettes are expelled successively from the group forming conveyor containers and fed axially to a packing unit. The group forming conveyor normally comprises a flexible endless toothed belt looped about two toothed pulleys; and the containers are equally spaced along and fixed removably to the flexible belt. More specifically, each container has two screws, which project from the bottom of the container, are inserted through respective holes formed through the flexible belt, and are tightened to the belt by respective nuts.
. One example of a cigarette group forming conveyor of the above type is described in Patent US3707219A1.
Some cigarette packing machines produce small lots of different brands of packets of cigarettes, and so call for frequent (at times, even daily) brand changes to convert the machine from one brand to another. Brand changes on cigarette packing machines normally involve changes in the arrangement and/or size of the groups of cigarettes, and so call for changing the group forming conveyor containers . On known cigarette packing machines, however, this is a painstaking, time-consuming job which, to change each container (possibly as many as over 40 on a group forming conveyor) calls for removing and replacing at least two nuts in concealed, poorly accessible locations
(also on account of the protective casings protecting the moving parts from tobacco dust and accidental contact) .
DISCLOSURE OF THE INVENTION
It is an object of the present invention to provide a cigarette group forming conveyor container designed to eliminate the aforementioned drawbacks, and which, at the same time, is cheap and easy to produce.
According to the present invention, there is provided a container for a cigarette group forming conveyor, as claimed in the accompanying Claims.
BRIEF DESCRIPTION OF THE DRAWINGS
A non-limiting embodiment of the present invention will be described by way of example with reference to the accompanying drawings, in which:
Figure 1 shows a schematic side view of a portion of a cigarette group forming conveyor fitted with a number of containers in accordance with the present invention; Figure 2 shows a section, with parts removed for clarity, along line H-Il of the Figure 1 group forming conveyor;
Figure 3 shows a view in perspective of a container of the Figure 1 group forming conveyor; Figure 4 shows an underside view of a bottom member of the Figure 4 container;
Figure 5 shows an underside view of a group forming pocket of the Figure 4 container.
PREFERRED EMBODIMENTS OF THE INVENTION Number 1 in Figure 1 indicates as a whole a cigarette group forming conveyor, which feeds a number of containers 2 in steps along a path extending past a number of outlets of a hopper (not shown) . During the stops of group forming conveyor 1, a reciprocating pusher (not shown) expels at least one layer of cigarettes from each outlet of the hopper, and feeds the layer of cigarettes axially into a stationary container 2 in front of the outlet. This operation may be repeated during successive stops of group forming conveyor 1, until a complete group of cigarettes defining the content of a packet of cigarettes is formed inside each container 2. At a transfer station (not shown) downstream from the hopper, the complete groups of cigarettes are expelled successively from containers 2 of group forming conveyor 1 and fed axially to a packing unit (not shown) .
Group forming conveyor 1 normally comprises a flexible endless toothed belt 3 looped about two toothed pulleys 4 (only one shown in Figure 1) rotating about respective axes of rotation 5 perpendicular to the Figure 1 plane; one pulley 4 is normally powered, and the other pulley 4 idle; and containers 2 are equally spaced along and fixed removably to flexible belt 3. More specifically, containers 2 are spaced apart by a distance equal to the step travelled by group forming conveyor 1.
Each container 2 comprises a bottom member 6 positioned contacting belt 3 of group forming conveyor 1; and a fastening system 7 for fixing bottom member 6 integrally to belt 3 of group forming conveyor 1. In a preferred (non-limiting) embodiment, fastening system 7 comprises two screws 8 (only one shown in Figure 1) , which project from the bottom of bottom member 6, are inserted through respective holes 9 formed through belt 3 of group forming conveyor 1, and are tightened to belt 3 of group forming conveyor 1 by respective nuts 10.
Preferably, a plate 11 is interposed between nuts 10 and belt 3 of group forming conveyor 1, and is shaped to fit between two successive teeth 12 of belt 3 (the cross section of plate 11 matches the contour of the gap between two successive teeth 12), or to fit on top of a tooth 12 of belt 3 (the cross section of plate 11 is shaped to mate with the outer contour of tooth 12) . Fastening containers 2 as described above calls for forming on pulleys 4 a number of grooves or cavities 13 spaced apart by a distance equal to the distance between respective plates 11 of each two successive containers 2, i.e. to the step of group forming conveyor 1.
Each container 2 also comprises a group forming pocket 14 for housing a group of cigarettes, and which is separate from and independent of bottom member 6, and is connectable to bottom member 6 by means of a fast- release coupling system 15.
In a preferred (non-limiting) embodiment shown in Figures 3, 4 and 5, each coupling system 15 comprises at least one guide rail 16 integral with bottom member 6; and a slide 17 integral with group forming pocket 14 and cooperating with guide rail 16 to slide group forming pocket 14 with respect to bottom member 6 and parallel to axes of rotation 5. Preferably, one guide rail 16 is provided; and guide rail 16 and slide 17 are dove-tailed to only allow group forming pocket 14 to slide parallel to axes of rotation 5 with respect to bottom member 6. Each coupling system 15 also comprises a fast- release lock member 18 for locking slide 17 in a given position along guide rail 16. In a preferred (non- limiting) embodiment, lock member 18 is joint-operated, and comprises two seats 19 formed in group forming pocket 14, on opposite sides of guide rail 16; and an elastic member 20, which is carried by bottom member 6, fits inside seats 19, and is deformable elastically for extraction from seats 19. In a different embodiment not shown, elastic member 20 may be carried by group forming pocket 14, and seats 19 may be formed in bottom member 6; and a different number of seats 19 and/or of elastic members 20 may be provided. Elastic member 20 is preferably a metal leaf spring fixed centrally to bottom member 6 by a screw 21 and extending crosswise to guide rail 16.
Container 2 as described has numerous advantages, by being cheap, fast, and easy to produce, while at the same time enabling fast change of group forming pocket 14 to switch from one brand to another. Tests, in fact, show a brand change time-saving of over 90% to change all the group forming pockets 14 of a cigarette group forming conveyor 1 of a cigarette packing machine.
Finally, it should be pointed out that fastening system 7 of bottom members 6 is identical to the one currently used on existing containers, which means container 2 described may easily be substituted for an existing container.

Claims

1) A container for a cigarette group forming conveyor; the container (2) comprising: a bottom member (6) positioned contacting a belt (3) of the group forming conveyor (1) ; a fastening system (7) for fixing the bottom member (6) integrally to the belt (3) of the group forming conveyor (1 ) ; and a group forming pocket (14) for housing a group of cigarettes;
•the container (2) being characterized in that the group forming pocket (14) is separate from and independent of the bottom member (6), and is connectable to the bottom member (6) by means of a fast-release coupling system (15) .
2) A container as claimed in Claim 1, wherein the coupling system (15) comprises at least one guide rail (16) ; and a slide (17) cooperating with the guide rail (16) to slide the group forming pocket (14) with respect to the bottom member (6) .
3 ) A container as claimed in Claim 2 , wherein the guide rail (16) is integral with the bottom member (6) , and the slide (17) is integral with the group forming pocket (14) .
4) A container as claimed in Claim 2 or 3 , wherein the guide rail (16) and the slide (17) are dove-tailed.
5) A container as claimed in Claim 2, 3 or 4, _ g _
wherein the coupling system (15) comprises a fast- release lock member (18) for locking the slide (17) along the guide rail (16) .
6) A container as claimed in Claim 4, wherein the lock member (18) is joint-operated.
7) A container as claimed in Claim 6, wherein the lock member (18) comprises at least one seat (19); and at least one elastic member (20) which fits inside the seat (19) and is deformable elastically for extraction from the seat (19) .
8) A container as claimed in Claim 7, wherein the elastic member (20) is carried by the bottom member (6), and the seat (19) is formed in the group forming pocket (14) . 9 ) A container as claimed in Claim 7 or 8 , wherein the elastic member (20) is a metal leaf spring fixed centrally and extending crosswise to the guide rail (16); and the lock member (18) comprises two seats (19) on opposite sides of the guide rail (16) . 10) A container as claimed in any one of Claims 1 to 9, wherein the fastening system (7) comprises two screws (8), which project from the bottom of the bottom member (6) , are inserted through respective through holes (9) formed through the belt (3) of the group forming conveyor (1), and are locked to the belt (3) of the group forming conveyor (1) by respective nuts (10) . 11) A cigarette group forming conveyor comprising: a belt (3) looped about at least two end pulleys (4) ; and a number of containers (2) spaced along the belt (3), integral with the belt (3), and as claimed in any one of Claims 1 to 10.
PCT/IB2007/002212 2006-08-01 2007-08-01 Container for a cigarette group forming conveyor WO2008015547A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITBO2006A000583 2006-08-01
ITBO20060583 ITBO20060583A1 (en) 2006-08-01 2006-08-01 CONTAINMENT BOX FOR A CIGARETTE GROUPS FORMER CONVEYOR.

Publications (1)

Publication Number Publication Date
WO2008015547A1 true WO2008015547A1 (en) 2008-02-07

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Family Applications (1)

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PCT/IB2007/002212 WO2008015547A1 (en) 2006-08-01 2007-08-01 Container for a cigarette group forming conveyor

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WO (1) WO2008015547A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109335068A (en) * 2018-11-15 2019-02-15 红塔烟草(集团)有限责任公司 A kind of trade mark end molding machine of the more specification cigarette products of abnormal shape

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3610407A (en) * 1969-10-06 1971-10-05 Alpeda Ind Inc Quick-change coupling device for conveyor-transported members
US3675759A (en) * 1971-03-05 1972-07-11 Exact Weight Scale Corp Interchangeable carton holder for chain conveyor
US4716714A (en) * 1986-09-09 1988-01-05 Tisma Machine Corporation Apparatus with replaceable trays on automatic packaging machines
US4735032A (en) * 1985-08-02 1988-04-05 Focke & Co. (Gmbh & Co.) Apparatus for conveying cigarette groups
EP0369955A1 (en) * 1988-11-16 1990-05-23 Skf Specialty Products Ab A conveyor chain with detachable upper portion
US5441146A (en) * 1993-05-04 1995-08-15 Robert Bosch Gmbh Packaging machine
EP0915039A1 (en) * 1997-09-16 1999-05-12 SASIB TOBACCO S.p.A. Band conveyor device for groups of delicate rodshaped objects, in particular on packing machines or similar

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3610407A (en) * 1969-10-06 1971-10-05 Alpeda Ind Inc Quick-change coupling device for conveyor-transported members
US3675759A (en) * 1971-03-05 1972-07-11 Exact Weight Scale Corp Interchangeable carton holder for chain conveyor
US4735032A (en) * 1985-08-02 1988-04-05 Focke & Co. (Gmbh & Co.) Apparatus for conveying cigarette groups
US4716714A (en) * 1986-09-09 1988-01-05 Tisma Machine Corporation Apparatus with replaceable trays on automatic packaging machines
EP0369955A1 (en) * 1988-11-16 1990-05-23 Skf Specialty Products Ab A conveyor chain with detachable upper portion
US5441146A (en) * 1993-05-04 1995-08-15 Robert Bosch Gmbh Packaging machine
EP0915039A1 (en) * 1997-09-16 1999-05-12 SASIB TOBACCO S.p.A. Band conveyor device for groups of delicate rodshaped objects, in particular on packing machines or similar

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109335068A (en) * 2018-11-15 2019-02-15 红塔烟草(集团)有限责任公司 A kind of trade mark end molding machine of the more specification cigarette products of abnormal shape

Also Published As

Publication number Publication date
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